docs: def _get_pretty_dimension_order(self, ds, name):
          '''
          Returns a comma seperated string of the dimensions for a specified
          variable
  
          :param netCDF4.Dataset ds: An open netCDF dataset
          :param str name: A string with a valid NetCDF variable name for the
                           dataset
          :rtype: str
          :return: A comma separated string of the variable's dimensions
          '''
          dim_names = []
          for dim in ds.variables[name].dimensions:
              dim_name = dim
              if ds.dimensions[dim].isunlimited():
                  dim_name += ' (Unlimited)'
              dim_names.append(dim_name)
          return ', '.join(dim_names)